arrow-straight
/ˈærəʊstreɪt/adjective & adverb
1- completely straight笔直的（地）：
as adj. the roads are empty and arrow-straight道路笔直而又空荡荡的
as adv. an index leads you arrow-straight to documents of interest.索引引导你直接找到感兴趣的文献资料。
1.1
- as adv. in a direct or undeviating manner; unswervingly笔直不偏地; 毫不偏离地：
an index at the back leads the reader arrow-straight to documents of interest.
后面的索引引导读者直接找到感兴趣的文献资料。